Specification Brand : cizihuu BulletPoint1 : Metal joint suited to use direct shaft motor, suitable for model cars, model ships, robots, and other metal adapter to use. BulletPoint2 : "3mm-8mm" means "one hole diameter of the coupler is 3mm ,the other is 8mm" BulletPoint3 : The steel joint can bend at any angle (45 degrees of rotation), and the joint can change the transmission direction at any angle. BulletPoint4 : Originally, a motor shaft is facing the south, and the direction of the shaft can be changed to the ground by connecting the joint. It can isolate or absorb the axial vibration and impact. BulletPoint5 : It has the advantages of large torque, small inertia, large angle adjustment, convenient installation, wide application and long service life. It is suitable for all kinds of general machinery occasions. Color : Onecolor ExternallyAssignedProductIdentifier : 9406102671239 ItemName : 1PCS Metal Joint Coupling Boat Car Model Shaft Coupler Motor Connector,Inner Diameter 4mm-4mm ItemPackageQuantity : 1 ItemTypeKeyword : pin-and-block-universal-joints Manufacturer : cizihuu Material : Material,Metal,Steel ModelNumber : Inner Diameter 4mm-4mm NumberOfItems : 1 PartNumber : 7csADf9MqWq,Inner Diameter 4mm-4mm ProductDescription : Material: Iron Fine Electroplating Standard or Nonstandard:Standard Flexible or Rigid:Rigid
"3mm-8mm" means "one hole diameter of the coupler is 3mm ,the other is 8mm"